Circuit Diagram

Design and share diagrams using a wide range of components.

Circuit Diagram main window

Easy to Use

Design diagrams visually by placing components with your cursor. Modify their values using the properties editor.

Export as Images

Export your diagrams as images, either SVG or PNG.

Plugins are available for additional formats.

Export as images

Includes all Common Components

Symbols for most commonly-used components are included, from resistors and capacitors to logic gates and transistors.

Custom Components

Find many more components made by other Circuit Diagram users in the components section.

Create your own for ones that haven't been made yet.

Share Circuit Designs

Browse circuits designed by others, and upload your own in the circuits section.

Free and Open Source

Licensed under GPLv2 and completely free to use; our code can be found on GitHub.

You can help support us by donating.